Corner shelf



FIG. 1 is a front perspective view of a corner shelf showing my newdesign;

FIG. 2 is a rear perspective view of the corner shelf of FIG. 1;

FIG. 3 is a front elevational view of the corner shelf of FIG. 1; and

FIG. 4 is a front perspective view showing a second embodiment of thecorner shelf unit shown in FIG. 1.

The ornamental design for a corner shelf, as shown and described.